PUBLIC MARKS from parmentierf with tags ajax & "open source"

ZK is an open-source Ajax Web framework that enables rich user interface for Web applications with little programming. With event-driven components and a markup language, developing is as simple as programming desktops and authoring HTML.

TIBCO General Interface Builder is the award winning AJAX solution for rapidly building and easily deploying Rich Internet Applications (RIA), AJAX components and portlets that look and feel like desktop software.

The product we're making is a wiki engine, but where most wiki engines are geared toward pages of text, OpenRecord is geared toward loosely-structured database content.

The Yahoo! User Interface Library is a set of utilities and controls, written in JavaScript, for building richly interactive web applications using techniques such as DOM scripting, HTML and AJAX. The UI Library Utilities facilitate the implementation of rich client-side features by enhancing and normalizing the developer's interface to important elements of the browser infrastructure (such as events, in-page HTTP requests and the DOM). The Yahoo UI Library Controls produce visual, interactive user interface elements on the page with just a few lines of code and an included CSS file. All the components in the Yahoo! User Interface Library have been released as open source under a BSD license and are free for all uses.

JWChat is a full featured, web-based Jabber™ client. Written using AJAX technology it relies on JavaScript and HTML at the client-side only. It supports basic jabber instant messaging, roster management and groupchats based on the MUC protocol.